This is crucial as it helps in the process of photosynthesis. First, they anchor the plant to the soil or compost in which the plant is growing. Primary roots are the early roots in young plants that consist of taproots, basal roots, and lateral roots. Fibrous roots are the roots formed by thin, moderately branching roots emerging from the stem. … They also spread wide, across the ground. Show Ads. The outer layer of cells of a root is called the epidermis. Pneumatophores, commonly found in mangrove species that grow in saline mud flats, are lateral roots that grow upward out of the mud and water to function as the site of oxygen intake for the submerged primary root system. It's tempting to say that stems are above ground, and roots below ground—but that's not entirely accurate. Aerial roots are roots with various abilities and functions, primary gas exchange in oxygen-poor soils. Emma_Ziessler. The plant root system constitutes the major part of the plant body, both in terms of function and bulk. are multicellular organs with important functions, Many plants have modified roots. They are also modified for support, food storage, and respiration. The part of the plant that grows underground is called the root. This chakra is located at the navel center. In the present study, we compare the function and taxonomic structure of the rhizosphere microbiome between these different crops in the presence (+) and absence (−) of decaying root. Some of these epidermal cells have long membranous extensions called root hairs. Plants fulfil many roles in the ecosystem. Whereas in monocot root, xylem and phloem are arranged circularly. They support the plant body, ensuring that it stands erect. Pebourland. Functions of Roots Some functions of roots are given below: Anchoring the plant Roots help to anchor the plant firmly into the ground. Also Read:  Anatomy of Monocot and Dicot Plants. They also take in oxygen from the compost. Let's start at the bottom with the roots. [CDATA[ Adventitious roots are still roots, and therefore, their main function is the absorption of minerals and water. The main functions of the root system are absorption of water and minerals from the soil, providing a proper anchorage to the plant parts, storing reserve food material and synthesis of plant growth regulators. In terrestrial plants, the root system is the subterranean or underground part of the plant body while the shoot is the aboveground part. Square Function: f(x) = x 2. 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